Aptitude - Problems on Trains - Discussion

Discussion Forum : Problems on Trains - General Questions (Q.No. 3)
3.
The length of the bridge, which a train 130 metres long and travelling at 45 km/hr can cross in 30 seconds, is:
200 m
225 m
245 m
250 m
Answer: Option
Explanation:

Speed = 45 x 5 m/sec = 25 m/sec.
18 2

Time = 30 sec.

Let the length of bridge be x metres.

Then, 130 + x = 25
30 2

2(130 + x) = 750

x = 245 m.

Video Explanation: https://youtu.be/M_d8WufJWKc

Discussion:
249 comments Page 23 of 25.

Zainab said:   8 years ago
@Anil Bhadani.

Clear explanation.

Banda said:   7 years ago
Hi, Good explanation. Thanks all.
(1)

Sasha said:   1 decade ago
Hi coolburn its nice explanation

Janani said:   1 decade ago
How 5/18 came?plz xplain this..

Tejashwini s said:   8 years ago
Good explanation @Anil Bhadani.

Navin said:   6 years ago
How 25/2 came? Explain, please.

Uvitha said:   2 decades ago
Can you explain me in detail ?

Mahi said:   9 years ago
But here, how do you get 5/18?

Mahamud said:   6 years ago
Can you explain, How come25/2?

Kavya said:   9 years ago
Why are you using '130 + x' ?


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